*{
  margin: 0;
  padding: 0;
}
.big{
  width: 1347px;
  height: 619px;
  background: url("../img/res/big.png");
  position: relative;
}
.ipt1,.ipt2{
  border: 1px #aaa solid;
  border-radius: 4px;
  background: 0 0;
  text-align: left;
  font-size: 20px;
  width: 438px;
  height: 50px;
  line-height: 50px;
  padding: 0 20px;
  position: absolute;
  left: 674px;
}
.ipt1{
  top: 254px;
}
.ipt2{
  top: 339px;
}
.ipt3{
  border: 1px #3083ff solid;
  border-radius: 4px;
  background-color: #3487ff;
  box-shadow: 0 5px 8px 0 rgba(24,95,255,.1);
  color: #fff;
  text-align: center;
  font-weight: lighter;
  background-image: linear-gradient(0deg,#398bff,#3083ff);
  width: 478px;
  height: 60px;
  margin: 40px 0 8px;
  font-size: 24px;
  position: absolute;
  left: 674px;
  top:380px;
  cursor: pointer;
}
.sp1,.sp2{
  height: 30px;
  width: 438px;
  display: block;
  position: absolute;
  left: 674px;
}
.sp1{
  top: 307px;
}
.sp2{
  top: 388px;
}